Dado blade in a track saw. | Yep thats what it looks like a spindle moulder cutter block in a track saw! This isn't a hack. Basically this is the HK85 saw,
DEWALT 8-in 24-Tooth Fine Finish Carbide Dado Table Saw Blade in the Circular Saw Blades department at Lowes.com
Freud 10" x 32T Super Dado Sets (SD510) : Amazon.co.uk: DIY & Tools
8 in. x 24-Tooth Stacked Dado Saw Blade Set Durable Carbide Blades Clean Cut 8925084228 | eBay